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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
h1{ 
	font:100px/200px "微软雅黑"; 
	text-align:center; 
	color:#000; 
	text-shadow:0 0 0 rgba(0,0,0,1); 
	border:1px solid #000; 
	transition:1s;
}
h1:hover{
	color:rgba(0,0,0,0);
	text-shadow:0 0 100px rgba(0,0,0,0.5);
}

</style>
</head>
<body>
	<h1>尚硅谷</h1>
</body>
</html>
